-373

Appears in sequences

• Coefficients of modular function G_3(tau).at n=23A005761
• Expansion of E.g.f. cos(sin(tanh(x))), even powers only.at n=3A009040
• Expansion of e.g.f. cos(tanh(sin(x))), even powers only.at n=3A009085
• sech(sin(sin(x)))=1-1/2!*x^2+13/4!*x^4-373/6!*x^6+19545/8!*x^8...at n=3A012013
• Reversion of rooted trees A000081.at n=15A050395
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 7.at n=30A060026
• A transform of the Fibonacci numbers.at n=28A099505
• INVERT transform of A055615, n*mu(n).at n=10A144028
• Eigentriangle by rows, A055615(n-k+1)*A144028(k-1); 1<=k<=n.at n=65A144029
• Coefficient array of orthogonal polynomials P(n,x)=(x-2n+2)*P(n-1,x)-(2n-3)*P(n-2,x), P(0,x)=1, P(1,x)=x-1.at n=17A185996
• Numerators of s(i) = s(i-1) - (1/i)*sign(s(i-1)) with s(1) = 1.at n=11A203810
• Expansion of f(-x^2)^2 * f(-x, x^2) / f(x^3)^3 in powers of x where f(,) is Ramanujan's general theta function.at n=49A254525
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 525", based on the 5-celled von Neumann neighborhood.at n=52A272741
• G.f.: Im((i*x; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1).at n=47A292043
• Expansion of 1/(1 + Sum_{i>=1} q^(i^2)/Product_{j=1..i} (1 + q^(2*j))).at n=22A294408
• G.f. A(x) satisfies: 1/(1 + x) = A(x)*A(x^2)^2*A(x^3)^3*A(x^4)^4* ... *A(x^k)^k* ...at n=18A307657
• Triangle of coefficients T(n,k) of x^n*y^k in g.f. A(x,y) where A(x,y) = A(x^3 + 3*x*y*A(x,y)^3, y) / A(x^2 + 2*x*y*A(x,y)^2, y), read by rows.at n=58A385910